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Hip Pocket Aeronautics Builder's Forum "III"
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Hip Pocket Aeronautics Plans Gallery up again:
https://hpa.aeromodelling.gr/plans/index.php
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Recent topics
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Model Aerodynamics
This is the section for discussions on aerodynamics that pertain to model aviation. Posts that make us think about the kind of aerodynamics that we deal with in model airplanes.
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